Joseph A. Busch is the knowledge leader for taxonomy and metadata and Senior Principal for Information Management at Project Performance Corporation (PPC). Founder and a principal of Taxonomy Strategies. He works with large companies, government agencies, and international organizations in developing metadata frameworks and taxonomy strategies. Before this, he was the founder and a principal of Taxonomy Strategies and held senior positions at Interwoven, Metacode Technologies, the Getty Information Institute, and Pricewaterhouse. Mr. Busch is a past president of the American Society for Information Science and Technology, and a former member of the Dublin Core Metadata Initiative Board of Directors.